Amazon has 18-Count Numi Organic Full Leaf Tea Bags (Numi's Collection) for $3.57 after 'clipped' 30% off coupon (clipped automatically through link when logged in to Amazon) and checkout via Subscribe & Save. Shipping is free.

Also available (prices after clipped coupon & Subsribe & Save):

• 3-Pack 18-Count Numi Organic Full Leaf Black Tea (Aged Earl Grey) $10.07
• 3-Pack 18-Count Numi Organic Black Tea (Breakfast Blend) $9.63
• 3-Pack 18-Count Numi Organic Full Leaf Green Tea (Jasmine Green) $10.27

Note: You must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.